*{
  margin: 0;
  padding: 0;
}

.title{
  font-size: 20px;
}

.select{
  width: 100px;
  height: 20px;
}

.btn{
  width: 100px;
  height: 30px;
  font-size: 20px;
  margin-left: 10px;
  cursor: pointer;
  border: 1px solid #000;
}

.bg{
  position: absolute;
  width: 100%;
  height: 100%;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  .test-relativeimg{
    width: 200px;
    height: 200px;
    background-image: url("./assets/black-coffee.png");
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
  }
}